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| -rw-r--r-- | include/uno/mapping.hxx | 360 |
1 files changed, 360 insertions, 0 deletions
diff --git a/include/uno/mapping.hxx b/include/uno/mapping.hxx new file mode 100644 index 000000000..5b8cf41be --- /dev/null +++ b/include/uno/mapping.hxx @@ -0,0 +1,360 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +/* + * This file is part of LibreOffice published API. + */ +#ifndef INCLUDED_UNO_MAPPING_HXX +#define INCLUDED_UNO_MAPPING_HXX + +#include "sal/config.h" + +#include <cstddef> + +#include "uno/lbnames.h" +#include "rtl/alloc.h" +#include "rtl/ustring.hxx" +#include "osl/diagnose.h" +#include "uno/mapping.h" +#include "com/sun/star/uno/Type.hxx" +#include "com/sun/star/uno/Reference.hxx" +#include "cppu/unotype.hxx" +#include "uno/environment.hxx" + +typedef struct _typelib_TypeDescription typelib_TypeDescription; +typedef struct _typelib_InterfaceTypeDescription typelib_InterfaceTypeDescription; +typedef struct _uno_Interface uno_Interface; + +namespace com +{ +namespace sun +{ +namespace star +{ +namespace uno +{ + +/** C++ wrapper for C uno_Mapping. + + @see uno_Mapping +*/ +class Mapping +{ + uno_Mapping * _pMapping; + +public: + // these are here to force memory de/allocation to sal lib. + /// @cond INTERNAL + static void * SAL_CALL operator new ( size_t nSize ) + { return ::rtl_allocateMemory( nSize ); } + static void SAL_CALL operator delete ( void * pMem ) + { ::rtl_freeMemory( pMem ); } + static void * SAL_CALL operator new ( size_t, void * pMem ) + { return pMem; } + static void SAL_CALL operator delete ( void *, void * ) + {} + /// @endcond + + /** Holds a mapping from the specified source to the specified destination by environment + type names. + + @param rFrom type name of source environment + @param rTo type name of destination environment + @param rAddPurpose additional purpose + */ + inline Mapping( + const ::rtl::OUString & rFrom, const ::rtl::OUString & rTo, + const ::rtl::OUString & rAddPurpose = ::rtl::OUString() ); + + /** Holds a mapping from the specified source to the specified destination. + + @param pFrom source environment + @param pTo destination environment + @param rAddPurpose additional purpose + */ + inline Mapping( + uno_Environment * pFrom, uno_Environment * pTo, + const ::rtl::OUString & rAddPurpose = ::rtl::OUString() ); + + /** Holds a mapping from the specified source to the specified destination + environment. + + @param rFrom source environment + @param rTo destination environment + @param rAddPurpose additional purpose + */ + inline Mapping(const Environment & rFrom, const Environment & rTo, + const ::rtl::OUString & rAddPurpose = ::rtl::OUString() ); + + /** Constructor. + + @param pMapping another mapping + */ + inline Mapping( uno_Mapping * pMapping = NULL ); + + /** Copy constructor. + + @param rMapping another mapping + */ + inline Mapping( const Mapping & rMapping ); + +#if defined LIBO_INTERNAL_ONLY + Mapping(Mapping && other) noexcept : _pMapping(other._pMapping) + { other._pMapping = nullptr; } +#endif + + /** Destructor. + */ + inline ~Mapping(); + + /** Sets a given mapping. + + @param pMapping another mapping + @return this mapping + */ + inline Mapping & SAL_CALL operator = ( uno_Mapping * pMapping ); + /** Sets a given mapping. + + @param rMapping another mapping + @return this mapping + */ + Mapping & SAL_CALL operator = ( const Mapping & rMapping ) + { return operator = ( rMapping._pMapping ); } + +#if defined LIBO_INTERNAL_ONLY + Mapping & operator =(Mapping && other) noexcept { + if (_pMapping != nullptr) { + (*_pMapping->release)(_pMapping); + } + _pMapping = other._pMapping; + other._pMapping = nullptr; + return *this; + } +#endif + + /** Provides a pointer to the C mapping. The returned mapping is NOT acquired! + + @return UNacquired C mapping + */ + uno_Mapping * SAL_CALL get() const + { return _pMapping; } + + /** Tests if a mapping is set. + + @return true if a mapping is set + */ + bool SAL_CALL is() const + { return (_pMapping != NULL); } + + /** Releases a set mapping. + */ + inline void SAL_CALL clear(); + + /** Maps an interface from one environment to another. + + @param pInterface source interface + @param pTypeDescr type description of interface + @return mapped interface + */ + inline void * SAL_CALL mapInterface( void * pInterface, typelib_InterfaceTypeDescription * pTypeDescr ) const; + /** Maps an interface from one environment to another. + + @param pInterface source interface + @param pTypeDescr type description of interface + @return mapped interface + */ + void * SAL_CALL mapInterface( void * pInterface, typelib_TypeDescription * pTypeDescr ) const + { return mapInterface( pInterface, reinterpret_cast<typelib_InterfaceTypeDescription *>(pTypeDescr) ); } + + /** Maps an interface from one environment to another. + + @param pInterface source interface + @param rType type of interface + @return mapped interface + */ + inline void * SAL_CALL mapInterface( + void * pInterface, const css::uno::Type & rType ) const; + + /** Maps an interface from one environment to another. + + @param ppOut inout mapped interface + @param pInterface source interface + @param pTypeDescr type description of interface + */ + void SAL_CALL mapInterface( void ** ppOut, void * pInterface, typelib_InterfaceTypeDescription * pTypeDescr ) const + { (*_pMapping->mapInterface)( _pMapping, ppOut, pInterface, pTypeDescr ); } + /** Maps an interface from one environment to another. + + @param ppOut inout mapped interface + @param pInterface source interface + @param pTypeDescr type description of interface + */ + void SAL_CALL mapInterface( void ** ppOut, void * pInterface, typelib_TypeDescription * pTypeDescr ) const + { (*_pMapping->mapInterface)( _pMapping, ppOut, pInterface, reinterpret_cast<typelib_InterfaceTypeDescription *>(pTypeDescr) ); } + + /** Maps an interface from one environment to another. + + @param ppOut inout mapped interface + @param pInterface source interface + @param rType type of interface to be mapped + */ + inline void SAL_CALL mapInterface( void ** ppOut, void * pInterface, const css::uno::Type & rType ) const; +}; + +inline Mapping::Mapping( + const ::rtl::OUString & rFrom, const ::rtl::OUString & rTo, const ::rtl::OUString & rAddPurpose ) + : _pMapping( NULL ) +{ + uno_getMappingByName( &_pMapping, rFrom.pData, rTo.pData, rAddPurpose.pData ); +} + +inline Mapping::Mapping( + uno_Environment * pFrom, uno_Environment * pTo, const ::rtl::OUString & rAddPurpose ) + : _pMapping( NULL ) +{ + uno_getMapping( &_pMapping, pFrom, pTo, rAddPurpose.pData ); +} + +inline Mapping::Mapping( + const Environment & rFrom, const Environment & rTo, const ::rtl::OUString & rAddPurpose ) + : _pMapping(NULL) +{ + uno_getMapping( &_pMapping, rFrom.get(), rTo.get(), rAddPurpose.pData ); +} + +inline Mapping::Mapping( uno_Mapping * pMapping ) + : _pMapping( pMapping ) +{ + if (_pMapping) + (*_pMapping->acquire)( _pMapping ); +} + +inline Mapping::Mapping( const Mapping & rMapping ) + : _pMapping( rMapping._pMapping ) +{ + if (_pMapping) + (*_pMapping->acquire)( _pMapping ); +} + +inline Mapping::~Mapping() +{ + if (_pMapping) + (*_pMapping->release)( _pMapping ); +} + +inline void Mapping::clear() +{ + if (_pMapping) + { + (*_pMapping->release)( _pMapping ); + _pMapping = NULL; + } +} + +inline Mapping & Mapping::operator = ( uno_Mapping * pMapping ) +{ + if (pMapping) + (*pMapping->acquire)( pMapping ); + if (_pMapping) + (*_pMapping->release)( _pMapping ); + _pMapping = pMapping; + return *this; +} + +inline void Mapping::mapInterface( + void ** ppOut, void * pInterface, const css::uno::Type & rType ) const +{ + typelib_TypeDescription * pTD = NULL; + TYPELIB_DANGER_GET( &pTD, rType.getTypeLibType() ); + if (pTD) + { + (*_pMapping->mapInterface)( _pMapping, ppOut, pInterface, reinterpret_cast<typelib_InterfaceTypeDescription *>(pTD) ); + TYPELIB_DANGER_RELEASE( pTD ); + } +} + +inline void * Mapping::mapInterface( + void * pInterface, typelib_InterfaceTypeDescription * pTypeDescr ) const +{ + void * pOut = NULL; + (*_pMapping->mapInterface)( _pMapping, &pOut, pInterface, pTypeDescr ); + return pOut; +} + +inline void * Mapping::mapInterface( + void * pInterface, const css::uno::Type & rType ) const +{ + void * pOut = NULL; + mapInterface( &pOut, pInterface, rType ); + return pOut; +} + +/** Deprecated. This function DOES NOT WORK with Purpose Environments + (http://wiki.openoffice.org/wiki/Uno/Binary/Spec/Purpose Environments) + + Maps a binary C UNO interface to be used in the currently used compiler environment. + + @tparam C interface type + @param ppRet inout returned interface pointer + @param pUnoI binary C UNO interface + @return true if successful, false otherwise + + @deprecated +*/ +template< class C > +SAL_DEPRECATED("use uno_Mapping") +inline bool mapToCpp( Reference< C > * ppRet, uno_Interface * pUnoI ) +{ + Mapping aMapping( UNO_LB_UNO, CPPU_CURRENT_LANGUAGE_BINDING_NAME ); + OSL_ASSERT( aMapping.is() ); + aMapping.mapInterface( + reinterpret_cast<void **>(ppRet), pUnoI, ::cppu::getTypeFavourUnsigned( ppRet ) ); + return (0 != *ppRet); +} +/** Deprecated. This function DOES NOT WORK with Purpose Environments + (http://wiki.openoffice.org/wiki/Uno/Binary/Spec/Purpose Environments) + + Maps a UNO interface of the currently used compiler environment to binary C UNO. + + @tparam C interface type + @param ppRet inout returned interface pointer + @param x interface reference + @return true if successful, false otherwise + + @deprecated +*/ +template< class C > +SAL_DEPRECATED("use uno_Mapping") +inline bool mapToUno( uno_Interface ** ppRet, const Reference< C > & x ) +{ + Mapping aMapping( CPPU_CURRENT_LANGUAGE_BINDING_NAME, UNO_LB_UNO ); + OSL_ASSERT( aMapping.is() ); + aMapping.mapInterface( + reinterpret_cast<void **>(ppRet), x.get(), ::cppu::getTypeFavourUnsigned( &x ) ); + return (NULL != *ppRet); +} + +} +} +} +} + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |